The user can input ten groups of telephone number regarded as alarming objects through keyboard and record some information lasting 20 seconds to tell the site . this system will give an alarm quickly according to the signal inspected from many sites which are required to be checked 该系统由用户通过键盘输入十组电话号码作为语音报警对象，预录可长达20s的语音信号说明警情发生的地点，设防状态下即可方便地实现多个设防点的信号检测并迅速进入自动报警状态。
